The new Mercedes Benz GLS Class is bigger, more luxurious and full of tech gadgets. Even though it is bigger, MB managed to make the new GL-class 100 kilograms lighter. Daimler assures that the new generation is also more efficient thanks to BlueEFFICIENCY package (start/stop system, intelligent alternator management, electric steering etc.) and redesigned petrol engines. The standard equipment has improved over the X166's predecessor. It now offers a range of technical appointments: ATTENTION ASSIST, COLLISION PREVENTION ASSIST, 9 airbags, Crosswind Assist and pedestrian protection including Active Bonnet, self-leveling AIRMATIC suspension, electric easy-pack tailgate. The GL500 adds Active Parking Assist, Intelligent Light System, KEYLESS-GO access system and front multicontour seats with memory function. The standard multimedia system is Audio 20 CD with USB and Bluetooth interface. The new COMAND Online multimedia system is also available as an option, featuring 3D menu and internet access. COMAND Online can be combined with Bang & Olufsen BeoSound surround system. Selected optional features include Active Lane Keeping Assist, Active Blind Spot Assist and Speed Limit Assist, DISTRONIC PLUS, Intelligent Light System (ILS). An ACTIVE CURVE SYSTEM with active anti-roll bars for body roll compensation was introduced.